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The 700+-line comment at the top of the advansys driver fits more comfortably
in Documentation/scsi.
Delete the sections on:
- kernels supported
- other files modified (obsolete)
- source comments (obsolete)
- tests to run
- release history (that's what a VCS is for)
- contacting connectcom (the domain has expired and the phone number is
now in use by another organisation)
Known problems/fix list is moved down to the section where jejb put his FIXME.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Use memcpy to initialise eep_config instead of a loop. For
AdvInitFrom38C1600EEP where we need to modify the default EEPROM
configuration, do it after the loop, and do it using the structure
definition, not by finding the right byte. I think it was wrong for
big-endian machines.
Also delete some non-useful comments and prototypes.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The driver kept a copy of the PCI config address; refer to the pci_dev
associated with the card instead.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Convert adv_isr_callback, adv_async_callback and asc_isr_callback into
direct calls. Remove the unused asc_exe_callback.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The cfg structures are supposed to be disposable after initialisation;
with the 'dev' used for DMA mapping in there, that's not possible. Move
the dev to the board.
Also inline AscInitFromAscDvcVar into its only caller, remove some
unnecessary prototypes and sort out a few minor formatting issues.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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n_io_port isn't suitable for advansys because some of the boards have
more than 255 bytes of io port space. There's already a driver-private
replacement, asc_n_io_port, but for some reason the driver was still
setting and occasionally reporting n_io_port.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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At some point during Linux 2.1 development, ioremap() gained the ability
to handle addresses which weren't page-aligned. Also expand the CONFIG_PCI
range to encompass that entire section of wide board initialisation, since
all wide boards are PCI.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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By moving a test from AscGetChipBusType into its only caller, we can delete
the whole function
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Remove some useless forward declarations
Reformat some comments, debug messages, and the occasional piece of real code
Removal of unnecessary braces
Remove duplicate setting of shost->irq
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Use slave_configure() to do all the work that used to be done in
AscInquiryHandling and AdvInquiryHandling. Split slave_configure into
two functions, one for wide and one for narrow controllers.
Remove some unused definitions, duplicate definitions, unnecessary
declarations, and scsireqq, cap_info and inquiry from struct asc_board.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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AscCompareString() is just another name for strncmp
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Remove wrappers around the PCI configuration space accessors
- Call pci_set_master() instead of poking at config space directly
- Move the latency setting into one function called for both narrow and
wide boards.
- Tidy up AdvInitGetConfig() a little.
- Delete a few unused prototypes and definitions.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Make sure the resources are reserved and released by all the callers of
advansys_board_found(). This eliminates the check_region-style race.
It also allows us to use the pci_request_regions() API.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Register two isa_drivers, one for ISA and one for VLB, in order to
preserve detection order. When deleting advansys_detect, we lose the
last vestiges of the code that limited IO port scanning. This code
has been effectively disabled for many years anyway; I'll restore it
in a module_param later. We also lose the code that placed all ISA PnP
cards into WaitForKey state -- drivers shouldn't be doing this anyway.
The asc_host array goes away too. Also remove some IOADR and other
definitions, such as ASC_NUM_BOARD_SUPPORTED.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Switch EISA probing to the driver model
- Remove some now-unused macros and functions
- Update the FIXME now that we use the correct driver model probing API
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Add a pci_driver interface for the PCI advansys devices (for
ISA/EISA/VLB devices, we still call advansys_detect).
- Many functions are converted from __init to __devinit to allow hotplug
PCI to work.
- Only keep devices found by advansys_detect in the asc_host list.
- Rename asc_board_count to asc_legacy_count. New asc_board_count is only
used to generate a unique name for each device.
- Remove some now-unused macros and struct definitions
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Switch from scsi_register/scsi_unregister to scsi_host_alloc,
scsi_add_host, scsi_scan_host and scsi_host_put.
- Rename the scsi_host_template to advansys_template
- Use module_init and module_exit instead of scsi_module.c
- Remove protection against advansys_detect being called twice
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Put all the error cleanup at the end of the function and goto the
appropriate label
- Split advansys_wide_init_chip out of advansys_board_found
- Split advansys_wide_free_mem out of advansys_board_found. Use it
from advansys_release
- Use GFP_KERNEL, not GFP_ATOMIC, when allocating memory during
initialisation
- Eliminate lots of PROC_FS ifdefs by removing the ifdefs around the prtbuf
struct member
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The interrupt routines used to walk the list of Scsi_Hosts belonging to
this driver to make sure that the scsi_cmnd belonged to one of them.
This is a waste of time and gets in the way of later cleanups, so
delete it.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Pass the Scsi_Host to the interrupt handler, rather than polling all
hosts for each interrupt.
Return IRQ_NONE if we didn't handle this interrupt
Don't set the IRQF_DISABLED flag; this is not a fast-executing interrupt
handler.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Just use the Scsi_Host passed in, rather than looking through the driver's
own array of boards for one that matches it.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Update the version to 3.4
Add my copyright
Add myself to MAINTAINERS
Exercise my right to change the license from dual BSD/GPL to GPL
Don't force the definition of CONFIG_ISA on x86
Always include pci.h
Stop including stat.h
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Run Lindent
- Move advansys_detect and advansys_release to the end of the file
- Split advansys_board_found out of advansys_detect
- Rename a few variables, such as shp to shost and pci_devp to pdev
- Turn STATIC into static
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- remove the unneeded advansys.h
- remove the unused advansys_setup()
- make needlessly global functions static
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Fix typecast warnings and switch from check_region to request_region
(akpm: Ken and Jeffrey Phillips Freeman <jeffreyfreeman@syncleus.com> are
possible advansys testers)
Signed-off-by: Ken Witherow <ken@krwtech.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The Advansys ISA/EISA/PCI driver has a compile error when
CONFIG_PCI=n, so wrap the pci_device_id table inside
ifdef CONFIG_PCI.
drivers/scsi/advansys.c: At top level:
drivers/scsi/advansys.c:18219: error: array type has incomplete element type
drivers/scsi/advansys.c:18221: error: 'PCI_ANY_ID' undeclared here (not in a function)
make[2]: *** [drivers/scsi/advansys.o] Error 1
make[1]: *** [drivers/scsi] Error 2
make: *** [drivers] Error 2
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.
The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around. On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).
Where appropriate, an arch may override the generic storage facility and do
something different with the variable. On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.
Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions. Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller. A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.
I've build this code with allyesconfig for x86_64 and i386. I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.
This will affect all archs. Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:
struct pt_regs *old_regs = set_irq_regs(regs);
And put the old one back at the end:
set_irq_regs(old_regs);
Don't pass regs through to generic_handle_irq() or __do_IRQ().
In timer_interrupt(), this sort of change will be necessary:
- update_process_times(user_mode(regs));
- profile_tick(CPU_PROFILING, regs);
+ update_process_times(user_mode(get_irq_regs()));
+ profile_tick(CPU_PROFILING);
I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().
Some notes on the interrupt handling in the drivers:
(*) input_dev() is now gone entirely. The regs pointer is no longer stored in
the input_dev struct.
(*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does
something different depending on whether it's been supplied with a regs
pointer or not.
(*) Various IRQ handler function pointers have been moved to type
irq_handler_t.
Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
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Remove a lot of duplicate #defines from the advansys driver,
and make them look like PCI IDs as defined elsewhere in the kernel.
Also add a module table so that it automatically gets picked up
by tools relying on modinfo output (like say, distro installers).
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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acquired (aquired)
contiguous (contigious)
successful (succesful, succesfull)
surprise (suprise)
whether (weather)
some other misspellings
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Priority: not critical.
Mark 3 functions __init. Saves a little memory.
This makes these functions' calls to AdvWaitEEPCmd() (which is __init)
be clean (i.e., eliminates text -> init -> text call chain).
Fix multiple section mismatch warnings:
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a22) and 'AdvSet38C0800EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a4e) and 'AdvSet38C0800EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7a79) and 'AdvSet38C0800EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7aa2) and 'AdvSet38C0800EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet3550EEPConfig' (at offset 0x7abb) and 'AdvSet38C0800EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7ae0) and 'AdvSet38C1600EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b0c) and 'AdvSet38C1600EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b37) and 'AdvSet38C1600EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b60) and 'AdvSet38C1600EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C0800EEPConfig' (at offset 0x7b79) and 'AdvSet38C1600EEPConfig'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7b9e) and 'AdvExeScsiQueue'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7bca) and 'AdvExeScsiQueue'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7bf5) and 'AdvExeScsiQueue'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7c1e) and 'AdvExeScsiQueue'
WARNING: drivers/scsi/advansys.o - Section mismatch: reference to .init.text: from .text between 'AdvSet38C1600EEPConfig' (at offset 0x7c37) and 'AdvExeScsiQueue'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Let people enable the advansys driver on x86-32, even though it's broken
on other architectures due to missing DMA mapping infrastructure.
It's used by Jeffrey Phillips Freeman <jeffreyfreeman@syncleus.com> and
possibly others.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This is the drivers/scsi/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Kai Makisara <kai.makisara@kolumbus.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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There are certain rogue devices (and the aic7xxx driver) that return
BUSY or QUEUE_FULL forever. This code will apply a global timeout (of
the total number of retries times the per command timer) to a given
command. If it is exceeded, the command is completed regardless of its
state.
The patch also removes the unused field in the command: timeout and
timeout_total.
This solves the problem of detecting an endless loop in the mid-layer
because of BUSY/QUEUE_FULL bouncing, but will not recover the device.
In the aic7xxx case, the driver can be recovered by sending a bus reset,
so possibly this should be tied into the error handler?
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Never used for anything but printing it out in debug routines.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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scsi_add_host is the proper place to set the device, but people copy
the scsi_set_device usage from older drivers again and again.
note that this leaves some legacy drivers like qlogicisp/qlogicfc
without pci association in sysfs, but they're scheduled to go away soon
anyway.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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scsi_cmnd->serial_number_at_timeout doesn't serve any purpose
anymore. All serial_number == serial_number_at_timeout tests
are always true in abort callbacks. Kill the field. Also, as
->pid always equals ->serial_number and ->serial_number
doesn't have any special meaning anymore, update comments
above ->serial_number accordingly. Once we remove all uses of
this field from all lldd's, this field should go.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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scsi_cmnd->internal_timeout field doesn't have any meaning
anymore. Kill the field.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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